Electrical submersible pump actuated packer

Details Electrical submersible pump actuated packer Electrical submersible pump actuated packer

2006-06-06

2006-06-06

Bagnell, David (Department: 3672)

Wells

With eduction pump or plunger

With packer or plug

C166S387000, C166S187000, C166S372000

Reexamination Certificate

active

07055595

ABSTRACT:
A centrifugal pump assembly for a well is lowered into the well on a string of tubing. A packer mounts to the pump assembly below an intake of the pump and is lowered in with the pump assembly. The packer is radially expansible to seal against the casing in the well. A conduit leads from the pump assembly to the packer for diverting a portion of the well fluid being pumped through the pump assembly. This pressurized fluid causes the packer to expand and seal against casing.

REFERENCES:
patent: 58469 (1866-10-01), Parker
patent: 2506359 (1950-05-01), Haslam
patent: 2783028 (1957-02-01), Jamison, Jr.
patent: 4467865 (1984-08-01), Hardymon
patent: 4703936 (1987-11-01), Clark, Jr. et al.
patent: 5320182 (1994-06-01), Mendez
patent: 5404946 (1995-04-01), Hess
patent: 5845709 (1998-12-01), Mack et al.
patent: 6668925 (2003-12-01), Shaw et al.
patent: 2001/0037881 (2001-11-01), Brecheisen

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